In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
c_e_cd_f_d_f

Number of letters skipped in between the adjacent letters in the series is equal. 

In a certain code language, 'ROBST' is written as 'QPYLO' and 'POLAR' is written as 'OXILM'. How will 'GUJRT' be written in that code language? 

In a row of 74 girls, Shweta is 27th from left end. Palak is 7th to the right of Shweta. What is Palak's position from the right end of the row?

Study the following information carefully and answer the questions given below- A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. (Single digit numbers are preceded by a zero. All other numbers are two digit numbers)
Input : good 18 to raise 02 12 money 28 for 57 charity 09.
Step I : to good 18 raise 02 12 money 28 for charity 09 57.
Step II : to raise good 18 02 12 money for charity 09 28 57.
Step III : to raise money good 02 12 for charity 09 18 28 57.
Step IV : to raise money good 02 for charity 09 12 18 28 57.
Step V : To raise money good for charity 02 09 12 18 28 57.
Step VI : is the last step of the arrangement of the above input as the intended arrangement is obtained. 

How many steps would be needed to complete the arrangement for the above input?
These questions are based on the following input-
Input : always 19 give 21 84 for 62 14 worthy cause. 

Direction: From the given alternatives select the word which cannot be formed using the letters of the given words.
"COMPETITION" 

If it is possible to make only one meaningful word with the first, fifth and the tenth letters of the word ‘AUTOMOBILE’, which would be the second letter of the word from the right? If more than one such word can be formed, give ‘Y’ as the answer. If no such word can be formed, given ‘Z’ as your answer.

A boy walked 3 km. in the south, then he turned to the west and walked 5 km, then he turned to the North and walked 6 km. Then he turned to the East and walked 5 km. How far is the boy from the starting place?